Evaluate the following sum using generating function 12 + 22 + 32 +........ +r2 +r?

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter2: The Integers
Section2.2: Mathematical Induction
Problem 46E: Use generalized induction and Exercise 43 to prove that n22n for all integers n5. (In connection...
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A)Evaluate the following sum using generating function in the given figure B) Use the Pigeon Hole principle explains the following statement with proper justification. In any group of n persons, there are at least two persons having the same number of friends.
(a)
Evaluate the following sum using generating function
12 + 22 + 32 +.
.+r²
(b) Use the Pigeon Hole principle explains the following statement with proper justificat
In
any group of n persons, there are at least two persons having the same number of
friends.
Transcribed Image Text:(a) Evaluate the following sum using generating function 12 + 22 + 32 +. .+r² (b) Use the Pigeon Hole principle explains the following statement with proper justificat In any group of n persons, there are at least two persons having the same number of friends.
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